RSS 1.0Artigos - Materiais Odontológicos e Prótese - ICT
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Flexural strength of a pressable lithium disilicate ceramic: influence of surface treatments
Sato, Tabata do Prado
; Cotes, Caroline ; Yamamoto, Lígia Tiaki ; Rossi, Natalia Rivoli ; da Cruz Macedo, Vanessa ; Kimpara, Estevão Tomomitsu (Applied Adhesion Science, 2013) [Artigo]
The aim of this paper was to evaluate the influence of different surface treatments on the flexural strength of a pressable lithium disilicate ceramic. Sixteen bars (16x2x4 mm) were made, divided into subgroups (n = 10), ... -
Influence of Different Fibreglass Post Geometries on the Stress Distribution and Pull-Out Bond Strength Before and After Mechanical Cycling
Del'Gaudio Pignataro, Rossana Reim; de Paula Samico, Renata ; Campaner, Larissa Mendes ; Bottino, Marco Antonio ; Borges, Alexandre Luiz Souto ; Tribst, João Paulo Mendes (European Endodontic Journal, 2021) [Artigo]
Objective: There are no reports in the literature on whether FGP geometry influences the bond strength of the endodontically restored tooth. This study aimed to determine the stress distribution and the pull-out bond ... -
Canine guidance reconstruction with ceramic or composite resin: A 3D finite element analysis and in vitro wear study
; ; Borges, Alexandre Luiz Souto (Journal of Prosthetic Dentistry, 2022) [Artigo]
Statement of problem: Wear of the maxillary canine cusps is a common clinical condition which can affect function and esthetics and, in some situations, lead to occlusal pathology. The mechanical behavior of different ... -
Influence of Framework Material and Posterior Implant Angulation in Full-Arch All-on-4 Implant-Supported Prosthesis Stress Concentration
; de Morais, Dayana Campanelli; de Matos, Jefferson David Melo ; Lopes, Guilherme da Rocha Scalzer ; ; Borges, Alexandre Luiz Souto ; Bottino, Marco Antonio ; ; ; (Dentistry Journal, 2022) [Artigo]
This study evaluated the influence of distal implants angulation and framework material in the stress concentration of an All-on-4 full-arch prosthesis. A full-arch implant-supported prosthesis 3D model was created with ... -
Mechanical behavior and microstructural characterization of different zirconia polycrystals in different thicknesses
Arcila, Laura Viviana Calvache; de Carvalho Ramos, Nathália ; ; ; ; de Melo, Renata Marques ; Bottino, Marco Antonio (Journal of Advanced Prosthodontics, 2021) [Artigo]
PURPOSE. To characterize the microstructure of three yttria partially stabilized zirconia ceramics and to compare their hardness, indentation fracture resistance (IFR), biaxial flexural strength (BFS), and fatigue flexural ... -
Effect of staining on the mechanical, surface and biological properties of lithium disilicate
Serrado de Pinho Barcellos, Aline; ; ; Araújo Alvarenga, Janaína ; Nogueira, Lafayette ; Tomomitsu Kimpara, Estevão (Saudi Dental Journal, 2022) [Artigo]
Purpose: To simulate biodegradation and wear of stained and glazed CAD lithium disilicate ceramic, and evaluate their effects on the microbial adherence and mechanical and surface properties of lithium disilicate ceramic ... -
Polymerization shrinkage, hygroscopic expansion, elastic modulus and degree of conversion of different composites for dental application
Borges, Alexandre Luiz Souto; ; Moecke, Sabrina Elise ; de Morais, Raquel Coutinho ; (Journal of Composites Science, 2021) [Artigo]
Objectives: To characterize the mechanical properties of different resin-composites for dental application. Methods: Thirteen universal dentin shade composites (n = 10) from different manufacturers were evaluated (4 Seasons, ... -
Functional or nonfunctional cusps preservation for molars restored with indirect composite or Glass-ceramic Onlays: 3d FEA study
Sellan, Pablo Lenin Benitez; Campaner, Larissa Mendes ; ; ; ; Borges, Alexandre Luiz Souto ; Bresciani, Eduardo ; ; (Polymers, 2021) [Artigo]
Evidence regarding the effect of the onlay preparation design for different CAD/CAM restorative materials considering the preservation of cusps is lacking. Molars were 3D-modeled in four preparation designs for onlay ... -
Effect of three different veneering techniques on the stress distribution and in vitro fatigue behavior of core-veneer all-ceramic fixed partial dentures
Borges, Alexandre Luiz Souto; Costa, Anna Karina Figueiredo ; Dal Piva, Amanda Maria de Oliveira ; Pinto, Alana Barbosa Alves ; Tribst, João Paulo Mendes (Journal of Dental Research, Dental Clinics, Dental Prospects, 2021) [Artigo]
Background. The present study aimed to evaluate the influence of the veneering technique on the tensile stress distribution and survival of full-ceramic fixed dental prostheses (FDPs). Methods. A three-dimensional model ... -
Effect of biologically oriented preparation technique on the stress concentration of endodontically treated upper central incisor restored with zirconia crown: 3d-fea
Sichi, Luigi Giovanni Bernardo; Pierre, Fernanda Zapater ; Arcila, Laura Viviana Calvache ; ; ; ; ; Borges, Alexandre Luiz Souto (Molecules, 2021) [Artigo]
The aim of this study was to evaluate the effect of biologically oriented preparation technique on the stress concentration of endodontically treated upper central incisors restored with zirconia crown (yttria-stabilized ... -
Effect of Different Surface Treatments on the Bond Strength of the Hybrid Ceramic Characterization Layer
Grangeiro, Manassés Tercio Vieira; Rossi, Natalia Rivoli ; Barreto, Larissa Araújo Lopes ; Bottino, Marco Antonio ; (Journal of Adhesive Dentistry, 2021) [Artigo]
Purpose: Using the microshear bond strength (pSBS) test, this study investigated the bond strength between a hybrid ceramic and the extrinsic characterization layer after different ceramic surface treatments. Materials and ... -
Occlusal scheme effect on the biomechanical response of full-arch dental prosthesis supported by titanium implants: A systematic review
Gomes, Laís Carolina Landim; Pierre, Fernanda Zapater ; ; ; Bresciani, Eduardo ; Araújo, Rodrigo Máximo de ; Júnior, Lafayette Nogueira ; Bottino, Marco Antonio (Metals, 2021) [Resenha]
Dental implant-supported prosthesis are widely used in oral reconstruction of totally edentulous patients. Nonetheless, one of the most common failures in these cases is caused by overloading from improper occlusion. The ... -
Biomechanical evaluation of 3-unit fixed partial dentures on monotype and two-piece zirconia dental implants
de Matos, Jefferson David Melo; Lopes, Guilherme da Rocha Scalzer ; Nakano, Leonardo Jiro Nomura ; Ramos, Nathália de Carvalho ; ; Bottino, Marco Antonio ; Tribst, João Paulo Mendes (Computer Methods in Biomechanics and Biomedical Engineering, 2022) [Artigo]
This study aimed to evaluate the biomechanical behavior, stress distributions and bone microstrain of fixed partial dentures (FPD) with ceramic abutments supported on monotype zirconia implants, titanium implants and ... -
Does the zirconia cleaning protocol followed by vitrification increase the resin-bond strength to zirconia?
; ; de Melo, Renata Marques; Anami, Lilian Costa ; Bottino, Marco Antonio ; ; ; (Journal of Adhesion Science and Technology, 2021) [Artigo]
Evaluate the influence of cleaning protocols on vitrification patterns, contact angles, and bond strength between zirconia and resin cement. 48 zirconia discs were sectioned, polished, and sintered (15 × 2 mm). The discs ... -
Fracture resistance and stress distribution of weakened teeth reinforced with a bundled glass fiber–reinforced resin post
Santos, Thaís da Silva Alves; Abu Hasna, Amjad ; Abreu, Ricardo Toledo ; Tribst, João Paulo Mendes ; de Andrade, Guilherme Schmitt ; Borges, Alexandre Luiz Souto ; Torres, Carlos Rocha Gomes ; Carvalho, Cláudio Antonio Talge (Clinical Oral Investigations, 2022) [Artigo]
Objectives: To make an in vitro assessment of fracture resistance of weakened and non-weakened teeth receiving intraradicular reinforcement using Rebilda bundled glass fiber–reinforced composite posts (GT), Rebilda ... -
Influence of preparation design, restorative material and load direction on the stress distribution of ceramic veneer in upper central incisor
Meirelles, Laura Célia Fernandes; Pierre, Fernanda Zapater ; ; Pagani, Clovis ; Bresciani, Eduardo ; Borges, Alexandre Luiz Souto (Brazilian Dental Science, 2021) [Artigo]
Objective: Evaluate the effect of four preparation designs, two ceramic materials, and two occlusion contact types on the stress distribution of ceramic veneer in upper central incisor. Material and methods: 3D-models were ... -
Analysis of the association of parameters in the formation of ultrafine fibers from PEI and PMMA
Kukulka, Elisa Camargo; Souza, Joyce Rodrigues de ; Santos, Jéssica Dias ; ; Borges, Alexandre Luiz Souto (Brazilian Dental Science, 2021) [Artigo]
Objective: The aim of the study was to fabricate and morphologically characterize ultrafine Polyetherimide fibers (PEI) associated with Polymethylmethacrylate (PMMA) – PP (group formed by the association of PEI with PMMA), ... -
Effect of occlusal anatomy of CAD/CAM feldspathic posterior crowns in the stress concentration and fracture load
Borges, Alexandre Luiz Souto; Tribst, João Paulo Mendes ; de Lima, Aline Lins ; Dal Piva, Amanda Maria de Oliveira ; (Clinical and Experimental Dental Research, 2021) [Artigo]
Objectives: This study evaluated the effect of restoration occlusal design on the maximum fracture load and stress distribution of a feldspathic ceramic crown. Materials and Methods: Twenty dentin analogues were used to ... -
Influence of occlusal anatomy on acrylic resin CAD/CAM crowns fracture load and stress distribution
Borges, Alexandre Luiz Souto; De Lima, Aline Lins ; Campaner, Larissa Mendes ; Bottino, Marco Antonio ; De Oliveira Dal Piva, Amanda Maria ; Tribst, João Paulo Mendes (Dentistry 3000, 2021) [Artigo]
Objectives: This study compared the influence of occlusal anatomy on acrylic CAD/CAM crowns fracture load and stress distribution. The null hypothesis was that there would be no difference between the provisional crowns ... -
Influence of dental erosion on shear bond strength of ceramic brackets bonded with two different adhesive systems: An In Vitro study
; ; ; ; ; Marinho, Renata Marques De Melo; Rode, Sigmar De Mello ; ; (Bioscience Journal, 2021) [Artigo]
This study aimed to analyze the shear bond strength (SBS) of ceramic orthodontic brackets bonded with two different adhesive systems to intact and eroded teeth. Ceramic brackets were bonded to 72 bovine central incisors ...